diff --git a/roles/lmn_vm/files/lmn-proxy.sh b/roles/lmn_vm/files/lmn-proxy.sh
index c5a1efd..e0c4e15 100755
--- a/roles/lmn_vm/files/lmn-proxy.sh
+++ b/roles/lmn_vm/files/lmn-proxy.sh
@@ -1,4 +1,4 @@
-export http_proxy='http://firewall:3128'
+export http_proxy='http://firewall.pn.steinbeis.schule:3128'
 export https_proxy=$http_proxy
 export ftp_proxy=$http_proxy
 export no_proxy=firewall.pn.steinbeis.schule,server.pn.steinbeis.schule,idam.steinbeis.schule,dw.steinbeis.schule,.pn.steinbeis.schule,.steinbeis.schule
diff --git a/roles/lmn_vm/templates/squid-usermode.conf.j2 b/roles/lmn_vm/templates/squid-usermode.conf.j2
index 1cf931a..a9dd458 100644
--- a/roles/lmn_vm/templates/squid-usermode.conf.j2
+++ b/roles/lmn_vm/templates/squid-usermode.conf.j2
@@ -1,11 +1,11 @@
 acl local-servers dstdomain .{{ domain }}
-cache_peer firewall parent 3128 0 no-query default login=NEGOTIATE auth-no-keytab
+cache_peer firewall.{{ domain }} parent 3128 0 no-query default login=NEGOTIATE auth-no-keytab
 never_direct deny local-servers
 never_direct allow all
 #access_log stdio:/tmp/access.log squid
 access_log none
-cache_log /dev/null 
+cache_log /dev/null
 logfile_rotate 0
 pid_filename /tmp/squid.pid
-http_port 192.168.122.1:3128 
+http_port 192.168.122.1:3128
 http_access allow all